MS Edge freezes in app mode

For example if I create an app from a page(lets say Discord),if I have a game running in the background,the discord window will often stop refreshing the content of the page
For example I start typing but nothing appears until I maximize or move the window
The only fix I have found is disabling "Use graphic acceleration when available" but doing that, browsing pages doesn't feel smooth
What else that also fixes the problem is move the game window or the app window into another virtual desktop

That is by design, Games mode is on by default. Games running means prioritising the game and stopping other background processes.

Settings > Gaming > Game Mode > More About Game mode.

You may have to turn Off Game Mode for your use.

Your supposed fixes are likely red herrings, if you looked up details with MS technical info you may find the reasons.